Home / 3,081.37-4,618.87-1,436.57

Finding the Fourth Proportional to 3,081.37, 4,618.87 and 1,436.57

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Solution

The fourth proportional to 3,081.37, 4,618.87 and 1,436.57 is: 2,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.37 : 4,618.87 = 1,436.57 : x
  2. Step 2: Convert to fraction form
    3,081.37/4,618.87 = 1,436.57/x
  3. Step 3: Cross multiply
    3,081.37x = 4,618.87 × 1,436.57
  4. Step 4: Simplify right side
    3,081.37x = 6,635,330.08
  5. Step 5: Solve for x
    x = 6,635,330.08/3,081.37
  6. Step 6: Final answer
    x = 2,153.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.